(19)

(11)

EP 1 861 913 A2

(12)

(43) Date of publication: 05.12.2007 Bulletin 2007/49 (21) Application number: 06704569.0 (22) Date of filing: 18.01.2006

(51) International Patent Classification (IPC):  H02M 7/00(2006.01) (86) International application number: PCT/IB2006/050188 (87) International publication number: WO 2006/077540 (27.07.2006 Gazette 2006/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 19.01.2005 EP 05100311 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: BLOM, Anton, C. NL-5656 AA Eindhoven (NL) (74) Representative: Groenendaal, Antonius W. M.  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)